Backdoor.MSIL.XWorm.kuc

BackdoorMSIL
Detection added: 12.11.2026 17:15:19 (GMT+2)
MD5: A8CCF7AF26AE2A2E221B224822E5A639
SHA1: 507A4E68FF465DEDC0F6DC5FCE822A9003635947

Behavior: Backdoor Trojan

Backdoor Trojans provide the author or hacker with remote administration of victim machines. Backdoors can be instructed to send, receive, execute and delete files, harvest confidential data from the computer, log activity on the computer and more.

Platform: MSIL

MSIL (.NET Common Intermediate Language).

Systems affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows XP, Windows Vista, Windows 7 (x86/x64), Windows 8 (x86/x64), Windows 10 (x86/x64), Windows 11 (x86/x64)

NOTE: The hash is only listed for the first detected malicious file. SHA/MD5 hash is not intended as a security/antivirus solution; it provides additional information that allows you to identify known malware files.

How to prevent infection

  • Use up-to-date antivirus software.
  • Install the latest updates for your operating system and installed software.
  • Use strong passwords and password management software.
  • Use caution when opening attachments, accepting file transfers and clicking on links to web pages.

Learn more